Aliases: Backdoor.Rbot.gen, W32/Sdbot.worm.gen.o virus
It is a worm which attempts to spread to remote network shares.
It also contains backdoor Trojan functionality, allowing unauthorised remote access to the infected computer via IRC channels.
It spreads to network shares with weak passwords as a result of the backdoor Trojan element receiving the appropriate command from a remote user.
Copies itself to the Windows system folder as LSASSE.EXE and creates registry entries called MICROSOFT UPDATE Machine under the following keys so as to run itself on system startup:
Use antivirus (also check How To Remove section)Startup Optimizer to remove it from your system.